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Fail-safe spring-return closure on power loss (< 0
The pressure switch is activated at a lower pressure if mounted horizontally overhead:
Available supply voltages include 230V ac
The SQN70 actuator is designed for driving air and gas dampers of oil or gas burners of small to medium capacity and afford load-dependent control of the amount of gas
Econex BFV40.B Butterfly Valve - Free Shaft Econex_VSA Fail-safe spring-return closure on powerBFV40. B Butterfly Valve The BFV40. B butterfly gas valve is suitable to be used on residential and industrial combustion systems. BFV valves can be used for both manual and automatic control of gases belonging to the first second or third family and of air. Features: Max. pressure 500 mbar Temperature 10 C +60 C for gas Temperature 10 C +80 C for air Body aluminium Installation in any position Diameter DN40 With Free Shaft BFV40. B Butterfly Valve
US$ 134.06
US$ 45.86
US$ 10.80